Search results
Results from the WOW.Com Content Network
Using manhole cover rubbings and photos for reference, Mastrangelo developed a technique [1] for creating trompe l’oeil relief works called "Grate Works" The realistic street and sidewalk scenes using manhole covers or water covers have been created in many media: collagraph prints on handmade paper, fiber art, foam relief works, assemblages ...
Cistern in the Mission District, San Francisco, California. The Auxiliary Water Supply System (AWSS, though often referred to on manhole covers and hydrants as HPFS for High Pressure Fire System) is a high pressure water supply network built for the city of San Francisco in response to the failure of the existing emergency water system during the 1906 earthquake.
A round manhole and its cover. A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.
Manhole covers in Helsinki, Finland. Manhole closings are protected by a grating or manhole cover, a flat plug designed to prevent accidental or unauthorized access to the manhole. These covers are traditionally made of metal, [2] but may be constructed from precast concrete, glass reinforced plastic or other composite materials (especially ...
A bright green liquid leaked from a New York City manhole cover in bizarre footage. There's literal green sludge bubbling up from the ground next to World Trade Center right now,” Dan Pantelo ...
Pokéfuta (Japanese: ポケふた) or Poké Lids are manhole covers in Japan decorated with drawings of Pokémon characters. Beginning installation in 2018, over 200 covers have since been installed by The Pokémon Company in cities across the country. They serve as local points of interest, attracting tourists to lesser known destinations in ...
A sanitary manhole under construction. A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate